Home / 54,491.86-75,207.68-45,402.80

Finding the Fourth Proportional to 54,491.86, 75,207.68 and 45,402.80

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Solution

The fourth proportional to 54,491.86, 75,207.68 and 45,402.80 is: 62,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,491.86 : 75,207.68 = 45,402.80 : x
  2. Step 2: Convert to fraction form
    54,491.86/75,207.68 = 45,402.80/x
  3. Step 3: Cross multiply
    54,491.86x = 75,207.68 × 45,402.80
  4. Step 4: Simplify right side
    54,491.86x = 3,414,639,253.50
  5. Step 5: Solve for x
    x = 3,414,639,253.50/54,491.86
  6. Step 6: Final answer
    x = 62,663.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.